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Perl borrows features from other programming languages including C, sh, AWK, and sed. [1] It provides text processing facilities without the arbitrary data-length limits of many contemporary Unix command line tools. [16] Perl is a highly expressive programming language: source code for a given algorithm can be short and highly compressible. [17 ...
For most file systems, a program initializes access to a file in a file system using the open system call. This allocates resources associated to the file (the file descriptor), and returns a handle that the process will use to refer to that file. In some cases the open is performed by the first access.
An opaque representation of an open file or other target for reading, writing, or both. Subroutine & &foo: A piece of code that may be passed arguments, be executed, and return data. Typeglob * *foo: The symbol table entry for all types with the name 'foo'.
Pisg – Perl IRC Statistics Generator, an open-source Internet Relay Chat (IRC) log file analysis and statistical visualization program that analyzes various formats of log files from IRC clients and bots and generates HTML pages containing statistics about the channel the logs were taken from. Qpsmtpd – SMTP daemon written in Perl. It was ...
This includes Perl itself, nearly all publicly released modules, many scripts, most design documents, many articles on Perl.com and other Perl-related web sites, and the Parrot virtual machine. Pod is rarely read in the raw, although it is designed to be readable without the assistance of a formatting tool.
Perl is a family of high-level, general-purpose, interpreted, dynamic programming languages. The languages in this family include Perl 5 and Raku. [13] They provide advanced text processing facilities without the arbitrary data-length limits of many contemporary Unix command line tools, [14] facilitating manipulation of text files.
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Perl is an open-source programming language whose first version, 1.0, was released in 1987. The following table contains the Perl 5 version history, showing its release versions. Not all versions are covered yet.